木材电阻率

forming electric connections by SCREWING

TEM mode【电子】;transverse electric and magnetic mode【电子】;transverse electromagnetic mode【电子】

dental electric drill car

elementary electric charge

electroslag remelting plant (electroslag refining plant) heating by electric arc

ROTOTROLS used for controlling electric machines

casting out nines (casting-out-nines) error detection in electric digital computers

circulation pump for heating installation, electric